<template>
  <div>
    <el-card>
      <div class="mask"></div>
     <slot></slot>
    </el-card>

  </div>
</template>

<script>
export default {
  name: '',
  data () {
    return {}
  },
  components: {},
  created () {},
  mounted () {},
  methods: {},
  computed: {},
  watch: {}
}
</script>

<style scoped lang="less">
::v-deep .el-card__body{
     position: relative;
padding: 0 20px;
}
 .mask{
 position: absolute;
top:0;
left: 0;
width: 10px;
height: 23px;
 border-radius: 0 5px 5px 0;
 background-color: skyblue;
 }
</style>
